package com.sky.service;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;

import java.util.List;

public interface ShoppingCartService {

    void add (ShoppingCartDTO shoppingCartDTO);

    //查看购物车
    List<ShoppingCart> showShoppingCart();

    //清空购物车
    void clean();

    //删除购物车中的商品
    void sub(ShoppingCartDTO shoppingCartDTO);
}
